﻿

      namespace CSharpPro._0929
      {
          class Program{
              static void Main(string[] args)
              {
                  Demo demo = new Demo();
                  demo.TestPrint1();
                  demo.TestPrint2();
                  demo.TestPrint3();
                  demo.TestPrint4();
                  demo.TestPrint5();
                  demo.TestPrint6();
                  
              }
          }
      }